CN210769359U

CN210769359U - Special slurry pump for negative-pressure double-impeller filter press

Info

Publication number: CN210769359U
Application number: CN201921874805.3U
Authority: CN
Inventors: 秦志成; 秦紫然
Original assignee: Jiangsu Xinyi Industrial Co ltd
Current assignee: Jiangsu Xinyi Industrial Co ltd
Priority date: 2019-11-03
Filing date: 2019-11-03
Publication date: 2020-06-16
Anticipated expiration: 2029-11-03

Abstract

The utility model discloses a special sediment stuff pump of negative pressure bilobed wheel pressure filter, include: a second-stage volute; the first-stage volute is arranged at the rear end of the second-stage volute; the second-stage volute and the first-stage volute are mounted together through a plurality of groups of connecting mechanisms; the water inlet pipe is arranged in the middle of the front end surface of the secondary volute; the water outlet pipe is arranged on the outer wall of one end of the primary volute; the two impellers are respectively arranged in the inner cavities of the two-stage volute and the one-stage volute; the impeller comprises two anti-abrasion bearings, wherein the number of the anti-abrasion bearings is two, and the two anti-abrasion bearings are in interference fit with the central hole of the impeller respectively. This special sediment stuff pump of negative pressure bilobed wheel pressure filter fixes the impeller at the inner chamber middle part of spiral case through the abrasionproof bearing, prevents to rock around it, has avoided the wearing and tearing condition of impeller with the spiral case inner chamber, has increased the life of the pump body, through coupling mechanism, can conveniently be to the dismantlement and the installation of spiral case, and the practicality is strong.

Description

Special slurry pump for negative-pressure double-impeller filter press

Technical Field

The utility model relates to a sediment stuff pump technical field specifically is a special sediment stuff pump of negative pressure bilobed wheel pressure filter.

Background

The slurry pump refers to a machine which increases the energy of solid-liquid mixed media by means of the action of centrifugal force, and converts electric energy into kinetic energy and potential energy of the media, and is mainly applicable to: the industrial fields of mines, power plants, dredging, metallurgy, chemical engineering, building materials, petroleum and the like;

the impeller in the volute of the existing slurry pump is very easy to wear and tear with the inner wall of the volute when the impeller works for a long time, so that the service life of the pump body is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special sediment stuff pump of negative pressure bilobed wheel pressure filter to solve the unable problem that reduces wearing and tearing and convenient to detach of the special sediment stuff pump of negative pressure bilobed wheel pressure filter of prior art at least.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special sediment stuff pump of negative pressure bilobed wheel pressure filter, includes:

a second-stage volute;

the first-stage volute is arranged at the rear end of the second-stage volute;

the second-stage volute and the first-stage volute are mounted together through a plurality of groups of connecting mechanisms;

the water inlet pipe is arranged in the middle of the front end surface of the secondary volute;

the water outlet pipe is arranged on the outer wall of one end of the primary volute;

the two impellers are respectively arranged in the inner cavities of the two-stage volute and the one-stage volute;

the number of the anti-abrasion bearings is two, and the anti-abrasion bearings are respectively in interference fit with the central holes of the two impellers;

one end of the rotating shaft is in interference fit with the central holes of the two anti-abrasion bearings, and the other end of the rotating shaft extends out of the outer wall of the rear end of the primary volute;

the other end of the rotating shaft extends into the front end surface of the bearing body and extends out of the rear end surface of the bearing body;

the other end of the rotating shaft is locked with an output end of the motor through a coupler.

Preferably, the connection mechanism includes: the connecting pieces are divided into two groups and are symmetrically arranged on the circumferential surfaces of the secondary volute and the primary volute respectively along the circle centers of the secondary volute and the primary volute; the opposite connecting pieces are connected together through bolts; and the bolt is locked by the nut.

Preferably, the two ends of the bearing body are provided with a first fixing block.

Preferably, brackets are arranged at the front end and the rear end of each of the first fixing blocks, and the top ends of the brackets are semicircular.

Preferably, two ends of the motor are provided with a second fixing block.

Preferably, the bottom ends of the bracket and the second fixing block are provided with bases.

Preferably, the front end and the rear end of the anti-abrasion bearing are slightly larger than the middle end.

Compared with the prior art, the beneficial effects of the utility model are that: this special sediment stuff pump of negative pressure bilobed wheel pressure filter fixes the impeller at the inner chamber middle part of spiral case through the abrasionproof bearing, prevents to rock around it, has avoided the wearing and tearing condition of impeller with the spiral case inner chamber, has increased the life of the pump body, through coupling mechanism, can conveniently be to the dismantlement and the installation of spiral case, and the practicality is strong.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a cutaway view of the one-stage volute of FIG. 1.

In the figure: 1. the device comprises a two-stage volute, a 2-stage volute, a 3-stage volute, a connecting mechanism, a 4-stage water inlet pipe, a 5-stage water outlet pipe, a 6-stage impeller, a 7-stage anti-abrasion bearing, an 8-stage rotating shaft, a 9-stage bearing body, a 10-stage bracket, a 11-stage fixing block I, a 12-stage coupling, a 13-stage motor, a 14-stage fixing block II, a 15-stage base, a 31-stage connecting piece, a 32-stage bolt, a 33-stage nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a special sediment stuff pump of negative pressure bilobed wheel pressure filter, includes: the device comprises a secondary volute 1, a primary volute 2, a connecting mechanism 3, a water inlet pipe 4, a water outlet pipe 5, an impeller 6, an anti-abrasion bearing 7, a rotating shaft 8, a bearing body 9, a motor 13 and the primary volute 2, wherein the primary volute 2 is arranged at the rear end of the secondary volute 1; the two-stage volute 1 and the one-stage volute 2 are installed together through a plurality of groups of connecting mechanisms 3; the water inlet pipe 4 is arranged in the middle of the front end surface of the secondary volute 1; the water outlet pipe 5 is arranged on the outer wall of one end of the first-stage volute 2; the number of the impellers 6 is two, and the impellers are respectively arranged in the inner cavities of the two-stage volute 1 and the one-stage volute 2; the number of the anti-abrasion bearings 7 is two, and the anti-abrasion bearings are respectively in interference fit with the central holes of the two impellers 6; one end of the rotating shaft 8 is in interference fit with the central holes of the two anti-abrasion bearings 7, and the other end of the rotating shaft 8 extends out of the outer wall of the rear end of the primary volute 2; the other end of the rotating shaft 8 extends into the front end surface of the bearing body 9 and extends out of the rear end surface of the bearing body 9; the other end of the rotating shaft 8 is locked with the output end of a motor 13 through a coupling 12.

Preferably, the connecting mechanism 3 further includes: the connecting pieces 31, the bolts 32 and the nuts 33 are provided in plurality, the connecting pieces 31 are divided into two groups, and the connecting pieces 31 are symmetrically arranged on the circumferential surfaces of the second-stage volute 1 and the first-stage volute 2 along the circle centers of the second-stage volute 1 and the first-stage volute 2; the opposite connecting pieces 31 are connected together through bolts 32; the bolt 32 is locked by a nut 33.

Preferably, the bearing body 9 is provided with a first fixing block 11 at both ends.

Preferably, brackets 10 are provided at front and rear ends of the first fixing blocks 11, and the top end of each bracket 10 is semicircular, so that the bearing body 9 can be placed on the top end of each bracket 10.

Preferably, two fixing blocks 14 are disposed at two ends of the motor 13.

Preferably, the bottom ends of the bracket 10 and the second fixed block 14 are provided with bases 15, and the bases 15 can prevent main parts from being worn.

As a preferable scheme, the front end and the rear end of the anti-abrasion bearing 7 are slightly larger than the middle end, and through the above, an anti-abrasion effect can be achieved.

The following components are provided according to the scheme:

a motor 13: the model is D5BLD90 DC brushless motor, through motor 13 work, drives pivot 8 and impeller 6 rotation, makes the pump body work normally.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

The connecting piece 31 is installed through the bolt 32 and the nut 33, so that the second-stage volute 1 and the first-stage volute 2 can be conveniently detached and installed; the abrasion-proof bearing 7 is in interference fit with the center hole of the impeller 6, and the two ends of the abrasion-proof bearing 7 are larger than the connecting parts at the middle ends, so that the working position of the impeller 6 is fixed in the middle of the inner cavity of the volute, the phenomenon that the inner cavity of the volute is abraded due to the fact that the impeller 6 shakes forwards and backwards is avoided, the service life is prolonged, and the practicability is high.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special sediment stuff pump of two impeller pressure filters of negative pressure which characterized in that includes:

a two-stage volute (1);

the primary volute (2) is arranged at the rear end of the secondary volute (1);

the two-stage volute (1) and the one-stage volute (2) are mounted together through a plurality of groups of connecting mechanisms (3);

the water inlet pipe (4), the water inlet pipe (4) is arranged in the middle of the front end surface of the secondary volute (1);

the water outlet pipe (5) is arranged on the outer wall of one end of the primary volute (2);

the two impellers (6) are arranged in the inner cavities of the two-stage volute (1) and the one-stage volute (2) respectively;

the number of the anti-abrasion bearings (7) is two, and the anti-abrasion bearings (7) are respectively in interference fit with central holes of the two impellers (6);

one end of the rotating shaft (8) is in interference fit with central holes of the two anti-abrasion bearings (7), and the other end of the rotating shaft (8) extends out of the outer wall of the rear end of the primary volute (2);

the other end of the rotating shaft (8) extends into the front end surface of the bearing body (9) and extends out of the rear end surface of the bearing body (9);

the motor (13), the other end of pivot (8) has the output of motor (13) through shaft coupling (12) locking.

2. The slurry pump special for the negative pressure double impeller filter press according to claim 1, wherein the connecting mechanism (3) comprises:

the connecting pieces (31) are provided in a plurality, the connecting pieces (31) are divided into two groups, and the connecting pieces are symmetrically arranged on the circumferential surfaces of the secondary volute (1) and the primary volute (2) along the circle centers of the secondary volute (1) and the primary volute (2);

the bolts (32) are used for connecting the opposite connecting pieces (31) together through the bolts (32);

a nut (33), the bolt (32) being locked by the nut (33).

3. The special slurry pump for the negative-pressure double-impeller filter press according to claim 2, wherein two ends of the bearing body (9) are respectively provided with a first fixed block (11).

4. The special slurry pump for the negative-pressure double-impeller filter press according to claim 3, wherein brackets (10) are arranged at the front end and the rear end of the first fixing block (11), and the top end of each bracket (10) is semicircular.

5. The special slurry pump for the negative-pressure double-impeller filter press according to claim 4, wherein two ends of the motor (13) are respectively provided with a second fixed block (14).

6. The special slurry pump for the negative-pressure double-impeller filter press according to claim 5, wherein a base (15) is arranged at the bottom ends of the bracket (10) and the second fixing block (14).

7. The special slurry pump for the negative-pressure double-impeller filter press according to claim 6, wherein the front end and the rear end of the anti-abrasion bearing (7) are slightly larger than the middle end.